JPH0425384U - - Google Patents

Info

Publication number
JPH0425384U
JPH0425384U JP6695190U JP6695190U JPH0425384U JP H0425384 U JPH0425384 U JP H0425384U JP 6695190 U JP6695190 U JP 6695190U JP 6695190 U JP6695190 U JP 6695190U JP H0425384 U JPH0425384 U JP H0425384U
Authority
JP
Japan
Prior art keywords
circuit
bpf
extracts
signal component
beat signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6695190U
Other languages
English (en)
Other versions
JP2566309Y2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990066951U priority Critical patent/JP2566309Y2/ja
Publication of JPH0425384U publication Critical patent/JPH0425384U/ja
Application granted granted Critical
Publication of JP2566309Y2 publication Critical patent/JP2566309Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の１つの実施例に係るＬＤプ
レーヤ用のクロストーク測定回路の構成を示すブ
ロツク図、第２図はＣＬＶデイスク再生時の垂直
同期信号付近でのクロストーク妨害の様子を示す
説明図、第３図は第１図のクロストーク測定回路
の動作を示すタイムチヤートである。第４図は従
来のＬＤプレーヤ用のクロストーク測定回路の構
成を示すブロツク図、第５図乃至第７図はＣＡＶ
テストデイスクに記録されたテスト画面と対応す
る映像信号を示す説明図である。 主な符号の説明、１０……ＬＤプレーヤ、２０
Ａ……クロストーク測定回路、３０……抜き取り
回路、４０……ＢＰＦ、４４……レベル検出回路
。

Claims (1)

  1. 【実用新案登録請求の範囲】 ＬＤから再生された映像信号の内、垂直帰線消
    去期間内の所定期間を抜き取る抜き取り回路と、 抜き取り回路の出力より所定のビート信号成分
    を取り出すＢＰＦと、 ＢＰＦで取り出されたビート信号成分のレベル
    を検出するレベル検出回路と、 を含むことを特徴とするＬＤのクロストーク測定
    回路。
JP1990066951U 1990-06-25 1990-06-25 Ｌｄのクロストーク測定回路 Expired - Fee Related JP2566309Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990066951U JP2566309Y2 (ja) 1990-06-25 1990-06-25 Ｌｄのクロストーク測定回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990066951U JP2566309Y2 (ja) 1990-06-25 1990-06-25 Ｌｄのクロストーク測定回路

Publications (2)

Publication Number Publication Date
JPH0425384U true JPH0425384U (ja) 1992-02-28
JP2566309Y2 JP2566309Y2 (ja) 1998-03-25

Family

ID=31600101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990066951U Expired - Fee Related JP2566309Y2 (ja) 1990-06-25 1990-06-25 Ｌｄのクロストーク測定回路

Country Status (1)

Country Link
JP (1) JP2566309Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186233A (en) * 1981-05-09 1982-11-16 Pioneer Video Corp Crosstalk detector in recording information reproducer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57186233A (en) * 1981-05-09 1982-11-16 Pioneer Video Corp Crosstalk detector in recording information reproducer

Also Published As

Publication number Publication date
JP2566309Y2 (ja) 1998-03-25

Similar Documents

Publication Publication Date Title
JPS6243394B2 (ja)
JPH0425384U (ja)
JPH03230692A (ja) ノイズリダクション装置
JPS62154368A (ja) 記録装置
JPS6224362Y2 (ja)
JPS631506Y2 (ja)
JPS5850501Y2 (ja) 磁気録画再生装置
JPH0191389U (ja)
AU582216B2 (en) Method of ensuring authenticity of recorded information
JPH0485887U (ja)
JPH073736Y2 (ja) 再生装置
JPH01121848U (ja)
JPS6122092U (ja) レ−ザ光照射装置
JPS5621488A (en) Still picture recording device
JPH0159912U (ja)
JPS5810275U (ja) 情報記録領域の検出装置
JPS5552542A (en) Recording and reproducting circuit
JPS63117176U (ja)
JPH0352887U (ja)
JPS63174780U (ja)
JPS61119483U (ja)
JPH0246483U (ja)
JPH01140601U (ja)
JPH0472356U (ja)
JPH0163279U (ja)

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees